Analysis Overview
SHA256
295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83
Threat Level: Known bad
The file 295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N was found to be: Known bad.
Malicious Activity Summary
Vipkeylogger family
VIPKeylogger
Modifies visiblity of hidden/system files in Explorer
Modifies WinLogon for persistence
Boot or Logon Autostart Execution: Active Setup
Reads user/profile data of local email clients
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Looks up external IP address via web service
Adds Run key to start application
Accesses Microsoft Outlook profiles
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Browser Information Discovery
Program crash
Enumerates physical storage devices
outlook_office_path
outlook_win_path
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-10-03 19:30
Signatures
Vipkeylogger family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-03 19:30
Reported
2024-10-03 19:32
Platform
win7-20240903-en
Max time kernel
150s
Max time network
125s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\svchost.exe | N/A |
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\explorer.exe | N/A |
VIPKeylogger
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\system\explorer.exe | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| File opened for modification | \??\c:\windows\system\spoolsv.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\spoolsv.exe | N/A |
| File opened for modification | \??\c:\windows\system\explorer.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\svchost.exe | N/A |
| File opened for modification | C:\Windows\system\udsys.exe | \??\c:\windows\system\explorer.exe | N/A |
Browser Information Discovery
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe
"C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe"
\??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe
c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
C:\Windows\SysWOW64\at.exe
at 19:32 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 1684
C:\Windows\SysWOW64\at.exe
at 19:33 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
C:\Windows\SysWOW64\at.exe
at 19:34 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2776-0-0x0000000000400000-0x000000000043E000-memory.dmp
\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe
| MD5 | b046211fe3f420a9ceb7663a560ece96 |
| SHA1 | 785a1cff39f2a75cbfffed3d718e9e026b3c80a1 |
| SHA256 | 96134c810750cc56e372551f8070f06aee80ae0cc8eeac983502d6b8f66c77df |
| SHA512 | 5a0fc701606682de24dfc1b8408b6d7c13205952128b211b9b7ef11a97871f2590d7c705b4032eab6a5661a1295fe4bc8bb58418b68e999e8fdd315009ca7eb3 |
memory/2732-11-0x000000007400E000-0x000000007400F000-memory.dmp
memory/2732-12-0x0000000000810000-0x000000000085A000-memory.dmp
memory/2732-13-0x0000000074000000-0x00000000746EE000-memory.dmp
\Users\Admin\AppData\Local\icsys.icn.exe
| MD5 | 1cf16e75b8173523ed0d5ef4211b9f64 |
| SHA1 | 11dbca355fc318803987ab9756bd27f3009734ed |
| SHA256 | 70924977c57603c3f4f891951795650c96343308fff9ca30bff0140409c7d30c |
| SHA512 | 147a33e14145a0f21edcc53cf21b5300385df2deb484fc6eaafceb7e5704c2ac544e2d7f90f59fc4c4888cdbb1136feadd87b02f8ecb42b5fe4063e551bec83d |
memory/2776-23-0x00000000024A0000-0x00000000024DE000-memory.dmp
memory/3020-22-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2776-21-0x00000000024A0000-0x00000000024DE000-memory.dmp
\Windows\system\explorer.exe
| MD5 | c905dab8c0e9f21368cbcdd9d073bcbb |
| SHA1 | 69285a00e627958b99b15b29c93f10183d357375 |
| SHA256 | 054c0d5c739fb572d622655cc0d066a66001f34ea06eb00a9546e1409486229f |
| SHA512 | d9bea6814ada2e10a8fae33f77ffee2ece7295abaac0d19e9738d594f455985db7a61291bb843ff4197d1612fca693cd3a24fd921f82ba1262cef31a4bf23a9f |
memory/3020-36-0x0000000002720000-0x000000000275E000-memory.dmp
\Windows\system\spoolsv.exe
| MD5 | 76b9b717cf3092418179a3f07969b450 |
| SHA1 | 31fbd67d757b24b6de85489df4f0e39c0c65dd15 |
| SHA256 | e7255bfc8128201ab78d6227ccaded56a94e23c42bd7266eafc06521caef860a |
| SHA512 | 74376ad73dd5065165151112d331a2e9dc2a0ec4ae2c899ebe4a2ce806142b58768ec823e572709aec33a5e4a56047762d35de07ecf2da0f65c4012ff5e39c98 |
\Windows\system\svchost.exe
| MD5 | 901cb3a39ab350fe5973b7f8a21607f0 |
| SHA1 | 4e28495617ee15f2bddb0f11a29d578289d66534 |
| SHA256 | 0ade4c6916258b0cca4bb71d517d80b141c85290e0cc3f7ad517a0b807bd317c |
| SHA512 | c0c6a15d60749f1e98c9662eab277eec6edd39765ca3346f99b81c9f9e986f117403bebb346e4152e4eb4c9a418ff3d20d489db0cf3130477d9ec4e9db9a4c44 |
memory/2732-59-0x000000007400E000-0x000000007400F000-memory.dmp
memory/2016-76-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2376-80-0x00000000025A0000-0x00000000025DE000-memory.dmp
memory/2844-79-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2016-78-0x00000000003A0000-0x00000000003DE000-memory.dmp
memory/2016-77-0x00000000003A0000-0x00000000003DE000-memory.dmp
memory/2376-74-0x00000000025A0000-0x00000000025DE000-memory.dmp
memory/2732-72-0x0000000074000000-0x00000000746EE000-memory.dmp
memory/2844-82-0x0000000000400000-0x000000000043E000-memory.dmp
memory/3020-85-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2776-86-0x0000000000400000-0x000000000043E000-memory.dmp
C:\Users\Admin\AppData\Roaming\mrsys.exe
| MD5 | cd1ccd1fd40416961967d7694b240b0d |
| SHA1 | 5c998271bfa37a56c262c8fe6d9a38d46ee3be81 |
| SHA256 | 293204c7823cb9531a4ace3d150c8db6c16b55b7877c175be9e7f864924851f0 |
| SHA512 | 4482dcd07985cb323c907fc2f64dfb41b3604e3f7834ccba77c7b3843e5a03c872ffa2786bac1cd545b284173f973167340e7406028dc7c38378f24a889d61ae |
memory/2732-93-0x0000000074000000-0x00000000746EE000-memory.dmp
memory/2592-94-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2016-95-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2016-97-0x00000000003A0000-0x00000000003DE000-memory.dmp
memory/2016-96-0x00000000003A0000-0x00000000003DE000-memory.dmp
\??\PIPE\atsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-03 19:30
Reported
2024-10-03 19:32
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\svchost.exe | N/A |
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\svchost.exe | N/A |
VIPKeylogger
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\system\explorer.exe | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| File opened for modification | \??\c:\windows\system\spoolsv.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\spoolsv.exe | N/A |
| File opened for modification | \??\c:\windows\system\explorer.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\svchost.exe | N/A |
| File opened for modification | C:\Windows\system\udsys.exe | \??\c:\windows\system\explorer.exe | N/A |
Browser Information Discovery
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | \??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe
"C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83N.exe"
\??\c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe
c:\users\admin\appdata\local\temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
C:\Windows\SysWOW64\at.exe
at 19:32 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2000 -ip 2000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 1824
C:\Windows\SysWOW64\at.exe
at 19:33 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
C:\Windows\SysWOW64\at.exe
at 19:34 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.252.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 169.8.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 134.177.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/2748-0-0x0000000000400000-0x000000000043E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\295a6bc83e47df3e4ab6349a145c43b464590c91c0a8abb3f9a8cf5df08bab83n.exe
| MD5 | b046211fe3f420a9ceb7663a560ece96 |
| SHA1 | 785a1cff39f2a75cbfffed3d718e9e026b3c80a1 |
| SHA256 | 96134c810750cc56e372551f8070f06aee80ae0cc8eeac983502d6b8f66c77df |
| SHA512 | 5a0fc701606682de24dfc1b8408b6d7c13205952128b211b9b7ef11a97871f2590d7c705b4032eab6a5661a1295fe4bc8bb58418b68e999e8fdd315009ca7eb3 |
memory/2000-9-0x000000007454E000-0x000000007454F000-memory.dmp
memory/2000-10-0x0000000000840000-0x000000000088A000-memory.dmp
memory/2000-11-0x00000000058D0000-0x0000000005E74000-memory.dmp
memory/2000-12-0x0000000005260000-0x00000000052FC000-memory.dmp
memory/2000-13-0x0000000074540000-0x0000000074CF0000-memory.dmp
C:\Users\Admin\AppData\Local\icsys.icn.exe
| MD5 | 1cf16e75b8173523ed0d5ef4211b9f64 |
| SHA1 | 11dbca355fc318803987ab9756bd27f3009734ed |
| SHA256 | 70924977c57603c3f4f891951795650c96343308fff9ca30bff0140409c7d30c |
| SHA512 | 147a33e14145a0f21edcc53cf21b5300385df2deb484fc6eaafceb7e5704c2ac544e2d7f90f59fc4c4888cdbb1136feadd87b02f8ecb42b5fe4063e551bec83d |
memory/1960-17-0x0000000000400000-0x000000000043E000-memory.dmp
C:\Windows\System\explorer.exe
| MD5 | ee3bb80a17e784208ee064a9972804d9 |
| SHA1 | 2ccccf78ed71544d2d7eb3f6061503f1ec43f382 |
| SHA256 | 12f9cf0aa3a9ae624c2bbff658f69c9332075273ccfd1a55944752cf5671d0a8 |
| SHA512 | 3250ca9d1a6376e54b3e947ac0acaceb54ea020167168fea3cdf43794bdfa03d185e1bb242938641711dbb4cff92c09959419194ce1e16b5e4083bf5c62244fb |
C:\Windows\System\spoolsv.exe
| MD5 | c1f12aae0eba0d785523e37b0aa223b1 |
| SHA1 | 05a2848b129a479036815c22dff67d2403bed7aa |
| SHA256 | f12b7510c069a227438eb82e9121d3b43d376ecc69f6b999d506ba33e26a71af |
| SHA512 | 6f94a700ad531de7a597dca50a3c63c81333f1b9996dc1c450c4452c1503b603ccf4884229904d4563eba1b8e94eb70758819a6da88f925d83960a2225a65a6a |
C:\Windows\System\svchost.exe
| MD5 | 7fdb2bdc416441ee6e8528cb1fe57c72 |
| SHA1 | 9b18b285b8c225a6b3fd212932f2076ae1a2e338 |
| SHA256 | b8a023ee2791d0bcc764aa845caf0d677e319bdfa62b5ff0cfab04e733f6c92f |
| SHA512 | f3ce84af36e86e9b2cac67b6ac8dce9cc943f824f8fb04daa39267cdac09cb691a1d7f7dda824f8f1bd0152608da76bb5e482c986a19457cf5754dac476bf801 |
memory/4432-49-0x0000000000400000-0x000000000043E000-memory.dmp
memory/724-52-0x0000000000400000-0x000000000043E000-memory.dmp
C:\Users\Admin\AppData\Roaming\mrsys.exe
| MD5 | 9f05a691f78e8d17aecf11899359e032 |
| SHA1 | aaca4b820e635eb3185cbe80bd2e2c57153bdb16 |
| SHA256 | 88ec3881d38e661b5e8b765ae746077e6731e8c0633f7cbe3d2a1e9f13606188 |
| SHA512 | 93b0ffd092b7df2d4a97215999bb0f390a21c429bcb1773ae4b9e1e5835b05ab22a216c75b61929a719ad6a745ea705f9f304c0cd3e9d34064ab83b785a51aec |
memory/1960-54-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2748-55-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2000-56-0x000000007454E000-0x000000007454F000-memory.dmp
memory/2000-57-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/2000-58-0x0000000006990000-0x0000000006B52000-memory.dmp
memory/2000-59-0x0000000006820000-0x0000000006870000-memory.dmp
memory/2000-60-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/1672-61-0x0000000000400000-0x000000000043E000-memory.dmp
memory/4580-62-0x0000000000400000-0x000000000043E000-memory.dmp